21
•
Slide the belt off of the variable-speed pulley as you
lift the pulley up and out through the battery tray
opening.
•
Remove the rear idler pulley from the double- idler
bracket while unrouting the belt from around both
the rear and the front idler pulley. Refer to Figure
16.
•
Remove the hex bolt from the center of the engine
pulley and gently lower it off of the engine
crankshaft. Be careful not to lose any washers or
spacers which may be found on top of the engine
pulley.
IMPORTANT:
When remounting the engine pulley,
torque the center hex bolt to between 38 foot-pounds
and 50 foot-pounds.
•
Remove the drive belt by feeding it from both ends
toward the front idler pulley on the double-idler
bracket. See Figure 16.
•
Reassemble by following the above steps in
reverse order.
•
Reroute the new belt around the pulleys, belt
keepers and keeper pins EXACTLY as the old one
was routed. Refer to Figure 16.
The drive pedal is properly adjusted when the hole
found in the double-idler bracket has approximately
1-3/8" of travel with ten pounds of pressure applied to
the drive pedal. See Figure 17.
Figure 17
Adjust the drive pedal after replacing the drive belts on
your tractor, if necessary, as follows:
•
Locate the speed control assembly on the
underside of the steering support bracket. See
Figure 18.
•
Remove both hairpin clips from the pin which is
fastened to the speed control assembly (be careful
not to lose the small flat washers found on the pin).
See Figure 18.
•
Remove the drive pedal return spring.
Using two 9/16" wrenches, remove the pin from the
speed control assembly. See Figure 18.
Figure 18
Thread the idler adjustment rod inward or outward to
lengthen or shorten the travel of the double-idler
bracket until proper adjustment is achieved.
•
Reassemble by following the above steps in
reverse order.
Cutting Blades
WARNING:
Be sure to shut the engine off,
remove ignition key, disconnect the spark
plug wire(s) and ground against the engine to
prevent unintended starting before removing
the cutting blade(s) for sharpening or
replacement. Protect your hands by using
heavy gloves or a rag to grasp the cutting
blade.
WARNING:
Periodically inspect the blade
adapter and/or spindle for cracks or damage,
especially if you strike a foreign object.
Replace immediately if damaged
.
The blades may be removed as follows.
•
Remove the deck from beneath the tractor, (refer to
Cutting Deck Removal
on page 18) then gently flip the
deck over to expose its underside.
Front of Tractor
NOTE:
View shown from above tractor.
Double-idler
Bracket
Idler
Adjuster Rod
Hole
1-3/8
”
Speed Control
Assembly
Hairpin
Clips
Idler
Adj. Rod
Pin
AutoDrive
™
Pedal
Return Spring
Place Wrenches Here
Neutral
Return
Bracket
